This chapter is currently out of syllabus
1
AIPMT 2005
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
In a face-centered cubic lattice, a unit cell is shared equally by how many unit cells?
A
2
B
4
C
6
D
8
2
AIPMT 2004
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
A compound formed by elements X and Y crystallises in a cubic structure in which the X atoms are at the face-centres. The formula of the compound is
A
XY3
B
X3Y
C
XY
D
XY2
3
AIPMT 2003
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
The pyknometric density of sodium chloride crystal is 2.165 $$ \times $$ 103 kg m$$-$$3 while its X-ray density is 2.178 $$ \times $$ 103 kg m$$-$$3. The fraction of unoccupied sites in sodium chloride crystal is
A
5.96
B
5.96 $$ \times $$ 10$$-$$2
C
5.96 $$ \times $$ 10$$-$$1
D
5.96 $$ \times $$ 10$$-$$3
4
AIPMT 2001
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
When Zn converts from melted state to its solid state, it has hcp structure, then find the number of nearest atoms.
A
6
B
8
C
12
D
4
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